Searched refs:timerlat_fd (Results 1 – 4 of 4) sorted by relevance
| /Linux-v6.6/tools/tracing/rtla/src/ |
| D | timerlat_u.c | 36 int timerlat_fd; in timerlat_u_main() local
80 timerlat_fd = tracefs_instance_file_open(NULL, buffer, O_RDONLY); in timerlat_u_main()
81 if (timerlat_fd < 0) { in timerlat_u_main()
90 retval = read(timerlat_fd, buffer, 1024); in timerlat_u_main()
95 close(timerlat_fd); in timerlat_u_main()
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| /Linux-v6.6/Documentation/trace/ |
| D | timerlat-tracer.rst | 189 file descriptor inside $tracing_dir/osnoise/per_cpu/cpu$ID/timerlat_fd.
231 int timerlat_fd;
243 "/sys/kernel/tracing/osnoise/per_cpu/cpu%ld/timerlat_fd",
246 timerlat_fd = open(buffer, O_RDONLY);
247 if (timerlat_fd < 0) {
253 retval = read(timerlat_fd, buffer, 1024);
258 close(timerlat_fd);
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| /Linux-v6.6/Documentation/tools/rtla/ |
| D | common_timerlat_options.rst | 33 to wait on the timerlat_fd. Once the workload is awakes, it goes to sleep again
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| /Linux-v6.6/kernel/trace/ |
| D | trace_osnoise.c | 2711 struct dentry *timerlat_fd; in osnoise_create_cpu_timerlat_fd() local
2733 timerlat_fd = trace_create_file("timerlat_fd", TRACE_MODE_READ, in osnoise_create_cpu_timerlat_fd()
2735 if (!timerlat_fd) in osnoise_create_cpu_timerlat_fd()
2739 d_inode(timerlat_fd)->i_cdev = (void *)(cpu); in osnoise_create_cpu_timerlat_fd()
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